Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 3 of 3: Your phone needs to be restarted
If you can't use Wi-Fi calling, it may help restarting your phone.
Solution: Restart your phone.
Restart your phone
Press the Side key.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.
Or choose...